Loser: Katy Perry

Witness debuted at No. 1 in its first week, but fell to No. 13 in its second week. It’s Perry’s first studio album to spend just one week in the top 10 since 2008’s One of the Boys. The lead single, “Chained to the Rhythm,” reached No. 4, but the two follow-ups missed the top 40. (Photo: Getty Images)

Pop Music 2017 Winners and Losers So Far

The Weeknd, Drake, Kendrick Lamar, and Ed Sheeran all spent multiple weeks at No. 1 on the Billboard 200 in the first half of 2017. But such veteran hit-makers as Katy Perry and John Mayer set records they would probably just as soon forget.

Let’s scroll back through the past six months and look at pop music’s winners and losers so far this year.